package com.yunlong.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * @Author: Cui
 * @Date: 2020/4/23
 * @Description:
 */
public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {

    private Set<Integer> set = new HashSet<>();
    //初始化方法
    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] vals = constraintAnnotation.vals();
        if(vals!=null) {
            for (int val : vals) {
                set.add(val);
            }
        }
    }

    /**
     *
     * @param value 需要校验的值
     * @param context
     * @return bool
     * @Description:判断是否校验成功
     */
    //
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {
        return set.contains(value);
    }
}
